Arc stops working on December 22, 2026. Here’s where its sidebar, spaces, and pinned folders can go next.
The Browser Company announced on October 22, 2026, that Arc will stop working on Mac and Windows on December 22, 2026. Arc accounts close that day, and their data is deleted within 30 days. After that, Arc won’t open. Before then, save your spaces: in Arc, choose Arc › Settings › Advanced › Export Data. Dawn can import that file.
Spaces with pinned folders, favorites, split view, a command bar, and tabs that put themselves away, with your Arc spaces brought over as they are.
Free for Mac. Coming soon.Free for Mac. Version .
Or let your AI agent do it
What each keeps of Arc, checked October 2026.
Zen is an open-source browser built on Firefox, with tabs in a sidebar, spaces, and split view.
It’s open source and runs on Windows and Linux too.
Zen vs Dawn ›Dia is The Browser Company’s AI-first browser, and the replacement it recommends for Arc.
It’s Arc’s official successor: it brings over passwords, history, and extensions from Arc, and it runs on Windows.
Dia vs Dawn ›Opera is a long-running Chromium browser with a sidebar of built-in apps, workspaces, and an AI assistant.
It runs on every platform and has more built in.
Opera vs Dawn ›Edge is Microsoft’s Chromium-based browser. It comes with Windows and works with Microsoft accounts and Copilot.
It runs everywhere, comes with Windows, and syncs with your Microsoft account.
Edge vs Dawn ›Brave is a privacy-focused Chromium browser that blocks ads and trackers out of the box.
It blocks ads and trackers by itself (in Dawn, that’s an extension), and it runs on every platform.
Brave vs Dawn ›Chrome is the most widely used browser, built on the open-source Chromium project and connected to your Google account.
Chrome runs on every platform and syncs with your Google account. Dawn is for Mac and doesn’t sync yet.
Chrome vs Dawn ›Firefox is the open-source browser from Mozilla, built on its own engine rather than Chromium.
It’s open source, runs everywhere, and syncs across your devices.
Firefox vs Dawn ›Safari is the browser built into Apple’s devices, known for battery life, privacy features, and syncing through iCloud.
It’s already on your Mac, syncs with your iPhone and iPad through iCloud, and is easy on the battery.
Safari vs Dawn ›Dawn brings over your spaces, pinned tabs, folders, and favorites in one click.
Free for Mac. Coming soon.Free for Mac. Version .
Or let your AI agent do it
Dawn was made for it: spaces with pinned folders, favorites, split view of up to four pages, a command bar, small windows for links from other apps, and tabs that put themselves away after 12 hours. It brings your Arc spaces over as they are. Zen is close too, built on Firefox.
It’s the one The Browser Company recommends, but it’s a different browser: built around AI, with Arc’s spaces becoming profiles and its folders becoming tab groups. Dia vs Dawn.
Yes. Dawn reads Arc’s sidebar directly: every space, its pinned tabs and folders, and your favorites, in one click. Do it before December 22, 2026, or save Arc’s Export Data file now and import it later. How to switch from Arc.
Dawn is free, with no account to make. So are Zen, Opera, Edge, Brave, Chrome, Firefox, and Safari; Dia’s AI plans are paid.
Dawn is for Mac for now; Windows and Linux are on its roadmap. On Windows today, Zen has a sidebar, spaces, and split view, and Edge has a sidebar and Workspaces.
Sources: Arc: importing (archived), Arc, Arc Help: key dates, Arc Help: exporting, TechCrunch, Engadget, Arc Help: archiving, and each comparison page’s own.